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For the Inventor, By the Inventor

Hemer, Germany

Friedrich Grohe Aktiengesellschaft

USPTO Granted Patents = 193

Trademarks = 8

Forward Citations = 4,661

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57 inventors (with patents filed for the assignee):

goldMedal Adolf Gottwald (65 out of 130 patents)

silverMedal Hans Lobermeier (47 out of 149 patents)

bronzeMedal Bruno Heimann (18 out of 22 patents)

4.  Bernd Bischoff (11 out of 17 patents)

5.  Daniel Mullenmeister (11 out of 12 patents)

6.  Odo H Klose (10 out of 36 patents)

7.  Werner Gnauert (7 out of 10 patents)

8.  Manfred Pawelzik (7 out of 24 patents)

9.  Jurgen Humpert (7 out of 18 patents)

10.  Christian Frankholz (6 out of 7 patents)

11.  Eckhard Gransow (5 out of 9 patents)

12.  Heinz-Dieter Eichholz (4 out of 14 patents)

13.  Harald Dickel (4 out of 4 patents)

14.  Harald Korfgen (4 out of 9 patents)

15.  Friedrich Wagner (4 out of 6 patents)


Core Competencies:
Faucet Handle
Mixing Valve
Lever Head
Dual-Flow Faucet
Single-Lever Faucet
Shower Faucet
Bathtub Faucet
Bidet Faucet
Escutcheon
Flow-Control Valve
Spray Head
Water Discharge Nozzle

193 patents:

1. D450373 - Faucet handle (2001-11-14),
2. D438597 - Bathtub faucet (2001-03-07),
3. D428641 - Faucet handle (2000-07-25),
4. 6085790 - Dual-flow faucet head (2000-07-11),
5. D426621 - Faucet handle (2000-06-13),
6. D425968 - Lever head for a faucet (2000-05-30),
7. D425180 - Single-lever bidet faucet (2000-05-16),
8. 6058972 - Mixing valve (2000-05-09),
9. D423649 - Lever head for a faucet (2000-04-25),
10. D423647 - Bathtub faucet (2000-04-25),
11. D422684 - Faucet spout (2000-04-11),
12. 6035463 - Actuating assembly for dual-output valve (2000-03-14),
13. D421099 - Combined wall mount single lever faucet handle and escutcheon (2000-02-22),
14. 6024331 - Rod-mounted holder bracket for hand shower (2000-02-15),
15. D420430 - Single-handle mixing faucet (2000-02-08),
Company Overview
Friedrich Grohe Aktiengesellschaft, headquartered in Hemer, Germany, specializes in innovative faucet technology. The company develops a wide range of products, including single-lever faucets, dual-flow faucets, and various shower and bathtub fixtures. Grohe is recognized for its commitment to quality and design, focusing on enhancing user experience through advanced mixing valves and ergonomic lever heads. The organization is dedicated to sustainability and efficiency, positioning itself as a leader in the global sanitary fittings market.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

Friedrich Grohe Aktiengesellschaft USPTO Patent Assignee Logo
193 Patents

#2 in Hemer

#311 in Germany

#4,368 in the World

Hemer, DE
Hemer, Germany

Friedrich Grohe Aktiengesellschaft

Forward Citations = 4,661

57 inventors:

goldMedal Adolf Gottwald (65 out of 130 patents)

silverMedal Hans Lobermeier (47 out of 149 patents)

bronzeMedal Bruno Heimann (18 out of 22 patents)

4.  Bernd Bischoff (11 out of 17 patents)

5.  Daniel Mullenmeister (11 out of 12 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Friedrich Grohe Aktiengesellschaft. Retrieved from https://idiyas.com/company/friedrich-grohe-ag

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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